What’s Vulnerable › Vulnerabilities

CVE-2025-1450: Floating Chat Widget: Contact Chat Icons, Telegram Chat, Line Messenger, WeChat, Email, SMS, Call Button, WhatsApp – Chaty <= 3.3.5 - Authenticated (Contributor+) DOM-Based Stored Cross-Site Scripting

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-27 · updated 2026-06-17
• Weakness: CWE-79

Description

The Floating Chat Widget: Contact Chat Icons, Telegram Chat, Line Messenger, WeChat, Email, SMS, Call Button, WhatsApp – Chaty plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘data-hover’ parameter in all versions up to, and including, 3.3.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• premio Floating Chat Widget: Contact Chat Icons, Telegram Chat, Line Messenger, WeChat, Email, SMS, Call Button – Chaty: before 3.3.6 — fixed in 3.3.6

How to fix

Upgrade to a fixed version: premio Floating Chat Widget: Contact Chat Icons, Telegram Chat, Line Messenger, WeChat, Email, SMS, Call Button – Chaty 3.3.6. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/browser/chaty/tags/3.3.4/js/cht-front-script.js#L389
• https://plugins.trac.wordpress.org/browser/chaty/tags/3.3.5/js/cht-front-script.min.js
• https://plugins.trac.wordpress.org/changeset/3246336/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/a87d0966-3fd4-46f8-acd5-1cf0cb18af42?source=cve

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